diff --git a/base/tcp/broad.go b/base/tcp/broad.go
new file mode 100644
index 00000000..60ae0cb8
--- /dev/null
+++ b/base/tcp/broad.go
@@ -0,0 +1,54 @@
+package tcp
+
+import (
+	"net"
+
+	ice "shylinux.com/x/icebergs"
+	"shylinux.com/x/icebergs/base/mdb"
+	kit "shylinux.com/x/toolkits"
+	"shylinux.com/x/toolkits/logs"
+)
+
+func _server_udp(m *ice.Message, arg ...string) {
+	l, e := net.ListenUDP(UDP4, UDPAddr(m, "0.0.0.0", m.Option(PORT)))
+	if e == nil {
+		defer l.Close()
+	}
+	mdb.HashCreate(m, arg, kit.Dict(mdb.TARGET, l), STATUS, kit.Select(ERROR, OPEN, e == nil), ERROR, kit.Format(e))
+	switch cb := m.OptionCB("").(type) {
+	case func(*net.UDPAddr, []byte):
+		m.Assert(e)
+		buf := make([]byte, 2*ice.MOD_BUFS)
+		for {
+			if n, from, e := l.ReadFromUDP(buf[:]); !m.Warn(e) {
+				cb(from, buf[:n])
+			} else {
+				break
+			}
+		}
+	}
+}
+func _client_dial_udp4(m *ice.Message, arg ...string) {
+	c, e := net.DialUDP(UDP4, nil, UDPAddr(m, kit.Select("255.255.255.255", m.Option(HOST)), m.Option(PORT)))
+	if e == nil {
+		defer c.Close()
+	}
+	switch cb := m.OptionCB("").(type) {
+	case func(*net.UDPConn):
+		m.Assert(e)
+		cb(c)
+	}
+}
+
+const (
+	UDP4 = "udp4"
+	SEND = "send"
+	RECV = "recv"
+)
+
+func UDPAddr(m *ice.Message, host, port string) *net.UDPAddr {
+	if addr, e := net.ResolveUDPAddr(UDP4, host+ice.DF+port); !m.Warn(e, ice.ErrNotValid, host, port, logs.FileLineMeta(2)) {
+		return addr
+	}
+	return nil
+}
diff --git a/base/tcp/client.go b/base/tcp/client.go
index 87d07c41..e49b7a30 100644
--- a/base/tcp/client.go
+++ b/base/tcp/client.go
@@ -7,16 +7,11 @@ import (
 	"shylinux.com/x/icebergs/base/mdb"
 )
 
-type Stat struct {
-	nc, nr, nw int
-}
-
 type Conn struct {
+	net.Conn
 	m *ice.Message
 	h string
 	s *Stat
-
-	net.Conn
 }
 
 func (c *Conn) Read(b []byte) (int, error) {
@@ -33,15 +28,11 @@ func (c *Conn) Close() error { return c.Conn.Close() }
 
 func _client_dial(m *ice.Message, arg ...string) {
 	c, e := net.Dial(TCP, m.Option(HOST)+ice.DF+m.Option(PORT))
-	c = &Conn{m: m, s: &Stat{}, Conn: c}
+	c = &Conn{Conn: c, m: m, s: &Stat{}}
 	if e == nil {
 		defer c.Close()
 	}
 	switch cb := m.OptionCB("").(type) {
-	case func(*ice.Message, net.Conn):
-		if !m.Warn(e) {
-			cb(m, c)
-		}
 	case func(net.Conn):
 		if !m.Warn(e) {
 			cb(c)
@@ -51,15 +42,6 @@ func _client_dial(m *ice.Message, arg ...string) {
 	}
 }
 
-const (
-	PROTO  = "proto"
-	STATUS = "status"
-	ERROR  = "error"
-	START  = "start"
-	OPEN   = "open"
-	CLOSE  = "close"
-	STOP   = "stop"
-)
 const (
 	DIAL = "dial"
 )
@@ -69,8 +51,13 @@ func init() {
 	Index.MergeCommands(ice.Commands{
 		CLIENT: {Name: "client hash auto prunes", Help: "客户端", Actions: ice.MergeActions(ice.Actions{
 			DIAL: {Name: "dial type name port=9010 host=", Help: "连接", Hand: func(m *ice.Message, arg ...string) {
-				_client_dial(m, arg...)
+				switch m.Option(mdb.TYPE) {
+				case UDP4:
+					_client_dial_udp4(m, arg...)
+				default:
+					_client_dial(m, arg...)
+				}
 			}},
-		}, mdb.StatusHashAction(mdb.FIELD, "time,hash,status,type,name,host,port,error,nread,nwrite"), mdb.ClearOnExitHashAction())},
+		}, mdb.StatusHashAction(mdb.FIELD, "time,hash,status,type,name,host,port,error"), mdb.ClearOnExitHashAction())},
 	})
 }
diff --git a/base/tcp/peek.go b/base/tcp/peek.go
new file mode 100644
index 00000000..3d7a1341
--- /dev/null
+++ b/base/tcp/peek.go
@@ -0,0 +1,54 @@
+package tcp
+
+import (
+	"bytes"
+	"net"
+	"net/http"
+	"strings"
+
+	kit "shylinux.com/x/toolkits"
+)
+
+type Buf struct {
+	buf []byte
+}
+type PeekConn struct {
+	net.Conn
+	*Buf
+}
+
+func (s PeekConn) Read(b []byte) (n int, err error) {
+	if len(s.buf) == 0 {
+		return s.Conn.Read(b)
+	}
+	if len(s.buf) < len(b) {
+		copy(b, s.buf)
+		s.buf = s.buf[:0]
+		return len(s.buf), nil
+	}
+	copy(b, s.buf)
+	s.buf = s.buf[len(b):]
+	return len(b), nil
+}
+func (s PeekConn) Peek(n int) (res []byte) {
+	b := make([]byte, n)
+	_n, _ := s.Conn.Read(b)
+	s.Buf.buf = b[:_n]
+	return b[:_n]
+}
+func (s PeekConn) IsHTTP() bool {
+	if bytes.Equal(s.Peek(4), []byte("GET ")) {
+		return true
+	}
+	return false
+}
+func (s PeekConn) Redirect(status int, location string) {
+	DF, NL := ": ", "\r\n"
+	s.Conn.Write([]byte(strings.Join([]string{
+		kit.Format("HTTP/1.1 %d %s", status, http.StatusText(status)), kit.JoinKV(DF, NL,
+			"Location", location, "Content-Length", "0",
+		)}, NL) + NL + NL))
+}
+func NewPeekConn(c net.Conn) PeekConn {
+	return PeekConn{Conn: c, Buf: &Buf{}}
+}
diff --git a/base/tcp/server.go b/base/tcp/server.go
index c9455f5e..c9b92888 100644
--- a/base/tcp/server.go
+++ b/base/tcp/server.go
@@ -6,22 +6,15 @@ import (
 	ice "shylinux.com/x/icebergs"
 	"shylinux.com/x/icebergs/base/mdb"
 	kit "shylinux.com/x/toolkits"
-	"shylinux.com/x/toolkits/logs"
 )
 
-func _broad_addr(m *ice.Message, host, port string) *net.UDPAddr {
-	if addr, e := net.ResolveUDPAddr("udp4", kit.Format("%s:%s", host, port)); !m.Warn(e, ice.ErrNotValid, host, port, logs.FileLineMeta(2)) {
-		return addr
-	}
-	return nil
-}
+type Stat struct{ nc, nr, nw int }
 
 type Listener struct {
+	net.Listener
 	m *ice.Message
 	h string
 	s *Stat
-
-	net.Listener
 }
 
 func (l Listener) Accept() (net.Conn, error) {
@@ -34,23 +27,9 @@ func (l Listener) Close() error {
 	return l.Listener.Close()
 }
 
-func _server_udp(m *ice.Message, arg ...string) {
-	l, e := net.ListenUDP("udp4", _broad_addr(m, "0.0.0.0", m.Option(PORT)))
-	defer l.Close()
-	mdb.HashCreate(m, arg, kit.Dict(mdb.TARGET, l), STATUS, kit.Select(ERROR, OPEN, e == nil), ERROR, kit.Format(e))
-	switch cb := m.OptionCB("").(type) {
-	case func(*net.UDPConn):
-		m.Assert(e)
-		cb(l)
-	}
-}
 func _server_listen(m *ice.Message, arg ...string) {
-	if m.Option("type") == "udp4" {
-		_server_udp(m, arg...)
-		return
-	}
-	l, e := net.Listen(TCP, m.Option(HOST)+":"+m.Option(PORT))
-	l = &Listener{m: m, h: mdb.HashCreate(m, arg, kit.Dict(mdb.TARGET, l), STATUS, kit.Select(ERROR, OPEN, e == nil), ERROR, kit.Format(e)), s: &Stat{}, Listener: l}
+	l, e := net.Listen(TCP, m.Option(HOST)+ice.DF+m.Option(PORT))
+	l = &Listener{Listener: l, m: m, h: mdb.HashCreate(m, arg, kit.Dict(mdb.TARGET, l), STATUS, kit.Select(ERROR, OPEN, e == nil), ERROR, kit.Format(e)), s: &Stat{}}
 	if e == nil {
 		defer l.Close()
 	}
@@ -60,7 +39,7 @@ func _server_listen(m *ice.Message, arg ...string) {
 		cb(l)
 	case func(net.Conn):
 		for {
-			if c, e := l.Accept(); e == nil {
+			if c, e := l.Accept(); !m.Warn(e) {
 				cb(c)
 			} else {
 				break
@@ -77,6 +56,15 @@ const (
 	HOSTNAME = "hostname"
 	NODENAME = "nodename"
 )
+const (
+	PROTO  = "proto"
+	STATUS = "status"
+	ERROR  = "error"
+	START  = "start"
+	OPEN   = "open"
+	CLOSE  = "close"
+	STOP   = "stop"
+)
 const (
 	LISTEN = "listen"
 )
@@ -85,7 +73,14 @@ const SERVER = "server"
 func init() {
 	Index.MergeCommands(ice.Commands{
 		SERVER: {Name: "server hash auto prunes", Help: "服务器", Actions: ice.MergeActions(ice.Actions{
-			LISTEN: {Name: "listen type name port=9030 host=", Hand: func(m *ice.Message, arg ...string) { _server_listen(m, arg...) }},
-		}, mdb.StatusHashAction(mdb.FIELD, "time,hash,status,type,name,host,port,error,nconn"), mdb.ClearOnExitHashAction())},
+			LISTEN: {Name: "listen type name port=9030 host=", Hand: func(m *ice.Message, arg ...string) {
+				switch m.Option(mdb.TYPE) {
+				case UDP4:
+					_server_udp(m, arg...)
+				default:
+					_server_listen(m, arg...)
+				}
+			}},
+		}, mdb.StatusHashAction(mdb.FIELD, "time,hash,status,type,name,host,port,error"), mdb.ClearOnExitHashAction())},
 	})
 }
diff --git a/base/tcp/tcp.go b/base/tcp/tcp.go
index 056611a2..9a909e40 100644
--- a/base/tcp/tcp.go
+++ b/base/tcp/tcp.go
@@ -1,65 +1,11 @@
 package tcp
 
 import (
-	"bytes"
-	"net"
-	"net/http"
-	"strings"
-
 	ice "shylinux.com/x/icebergs"
-	kit "shylinux.com/x/toolkits"
 )
 
-const (
-	SEND = "send"
-	RECV = "recv"
-)
 const TCP = "tcp"
 
 var Index = &ice.Context{Name: TCP, Help: "通信模块"}
 
 func init() { ice.Index.Register(Index, nil, HOST, PORT, CLIENT, SERVER) }
-
-type Buf struct {
-	buf []byte
-}
-type PeekConn struct {
-	net.Conn
-	*Buf
-}
-
-func (s PeekConn) Read(b []byte) (n int, err error) {
-	if len(s.buf) == 0 {
-		return s.Conn.Read(b)
-	}
-	if len(s.buf) < len(b) {
-		copy(b, s.buf)
-		s.buf = s.buf[:0]
-		return len(s.buf), nil
-	}
-	copy(b, s.buf)
-	s.buf = s.buf[len(b):]
-	return len(b), nil
-}
-func (s PeekConn) Peek(n int) (res []byte) {
-	b := make([]byte, n)
-	_n, _ := s.Conn.Read(b)
-	s.Buf.buf = b[:_n]
-	return b[:_n]
-}
-func (s PeekConn) IsHTTP() bool {
-	if bytes.Equal(s.Peek(4), []byte("GET ")) {
-		return true
-	}
-	return false
-}
-func (s PeekConn) Redirect(status int, location string) {
-	DF, NL := ": ", "\r\n"
-	s.Conn.Write([]byte(strings.Join([]string{
-		kit.Format("HTTP/1.1 %d %s", status, http.StatusText(status)), kit.JoinKV(DF, NL,
-			"Location", location, "Content-Length", "0",
-		)}, NL) + NL + NL))
-}
-func NewPeekConn(c net.Conn) PeekConn {
-	return PeekConn{Conn: c, Buf: &Buf{}}
-}
diff --git a/base/web/broad.go b/base/web/broad.go
index 08d3f852..30ccd10d 100644
--- a/base/web/broad.go
+++ b/base/web/broad.go
@@ -2,70 +2,36 @@ package web
 
 import (
 	"net"
-	"strings"
 
 	ice "shylinux.com/x/icebergs"
 	"shylinux.com/x/icebergs/base/aaa"
 	"shylinux.com/x/icebergs/base/ctx"
+	"shylinux.com/x/icebergs/base/gdb"
 	"shylinux.com/x/icebergs/base/mdb"
 	"shylinux.com/x/icebergs/base/nfs"
 	"shylinux.com/x/icebergs/base/tcp"
 	kit "shylinux.com/x/toolkits"
-	"shylinux.com/x/toolkits/logs"
 )
 
-func _broad_addr(m *ice.Message, host, port string) *net.UDPAddr {
-	if addr, e := net.ResolveUDPAddr("udp4", kit.Format("%s:%s", host, port)); !m.Warn(e, ice.ErrNotValid, host, port, logs.FileLineMeta(2)) {
-		return addr
-	}
-	return nil
-}
-func _broad_send(m *ice.Message, host, port string, remote_host, remote_port string, arg ...string) {
-	if s, e := net.DialUDP("udp4", nil, _broad_addr(m, remote_host, remote_port)); !m.Warn(e, ice.ErrNotValid) {
-		defer s.Close()
-		msg := m.Spawn(kit.Dict(tcp.HOST, host, tcp.PORT, port), kit.Dict(arg))
-		m.Logs(tcp.SEND, BROAD, msg.FormatMeta(), nfs.TO, remote_host+ice.DF+remote_port)
-		s.Write([]byte(msg.FormatMeta()))
-	}
-}
-func _broad_serve(m *ice.Message, port string) {
-	m.Cmd(tcp.HOST, func(value ice.Maps) {
-		_broad_send(m, value[aaa.IP], port, "255.255.255.255", "9020", mdb.TYPE, ice.Info.NodeType, mdb.NAME, ice.Info.NodeName)
+func _broad_send(m *ice.Message, remote_host, remote_port string, host, port string, arg ...string) {
+	m.Cmd(tcp.CLIENT, tcp.DIAL, mdb.TYPE, tcp.UDP4, tcp.HOST, remote_host, tcp.PORT, kit.Select("9020", remote_port), func(s *net.UDPConn) {
+		msg := m.Spawn(kit.Dict(tcp.HOST, host, tcp.PORT, port, arg))
+		msg.Logs(tcp.SEND, BROAD, msg.FormatsMeta(nil), nfs.TO, remote_host+ice.DF+remote_port).FormatsMeta(s)
 	})
-	m.Cmd(tcp.SERVER, tcp.LISTEN, mdb.TYPE, "udp4", m.OptionSimple(mdb.NAME, tcp.HOST, tcp.PORT), func(l *net.UDPConn) {
-		buf := make([]byte, ice.MOD_BUFS)
-		for {
-			n, from, e := l.ReadFromUDP(buf[:])
-			if e != nil {
-				break
-			}
-			m.Logs(tcp.RECV, BROAD, string(buf[:n]), nfs.FROM, from)
-			msg := m.Spawn(buf[:n])
-			if msg.Option(mdb.ZONE) == "echo" {
-				_broad_save(m, msg)
-				continue
-			}
-			if remote := _broad_addr(m, msg.Option(tcp.HOST), msg.Option(tcp.PORT)); remote != nil {
-				m.Cmd(BROAD, func(value ice.Maps) {
-					m.Logs(tcp.SEND, BROAD, kit.Format(value), nfs.TO, kit.Format(remote))
-					l.WriteToUDP([]byte(m.Spawn(value, kit.Dict(mdb.ZONE, "echo")).FormatMeta()), remote)
-				})
-				_broad_save(m, msg)
-			}
+}
+func _broad_serve(m *ice.Message) {
+	m.GoSleep("10ms", tcp.HOST, func(value ice.Maps) {
+		_broad_send(m, "", "", value[aaa.IP], m.Option(tcp.PORT), gdb.EVENT, tcp.LISTEN, mdb.NAME, ice.Info.NodeName, mdb.TYPE, ice.Info.NodeType)
+	})
+	m.Cmd(tcp.SERVER, tcp.LISTEN, mdb.TYPE, tcp.UDP4, m.OptionSimple(mdb.NAME, tcp.HOST, tcp.PORT), func(from *net.UDPAddr, buf []byte) {
+		msg := m.Spawn(buf).Logs(tcp.RECV, BROAD, string(buf), nfs.FROM, from)
+		if mdb.HashCreate(m, msg.OptionSimple(kit.Simple(msg.Optionv(ice.MSG_OPTION))...)); msg.Option(gdb.EVENT) == tcp.LISTEN {
+			m.Cmds("", func(value ice.Maps) {
+				_broad_send(m, msg.Option(tcp.HOST), msg.Option(tcp.PORT), value[tcp.HOST], value[tcp.PORT], mdb.TYPE, value[mdb.TYPE], mdb.NAME, value[mdb.NAME])
+			})
 		}
 	})
 }
-func _broad_save(m, msg *ice.Message) {
-	save := false
-	m.Cmd(tcp.HOST, func(value ice.Maps) {
-		if strings.Split(msg.Option(tcp.HOST), ice.PT)[0] == strings.Split(value[aaa.IP], ice.PT)[0] {
-			save = true
-		}
-	})
-	if save {
-		mdb.HashCreate(m, msg.OptionSimple(kit.Simple(msg.Optionv(ice.MSG_OPTION))...))
-	}
-}
 
 const BROAD = "broad"
 
@@ -76,10 +42,7 @@ func init() {
 				if arg[0] == mdb.FOREACH && arg[1] == "" {
 					host, domain := m.Cmd(tcp.HOST).Append(aaa.IP), OptionUserWeb(m).Hostname()
 					m.Cmds("", func(value ice.Maps) {
-						if value[tcp.HOST] == host {
-							value[tcp.HOST] = domain
-						}
-						switch value[mdb.TYPE] {
+						switch kit.If(value[tcp.HOST] == host, func() { value[tcp.HOST] = domain }); value[mdb.TYPE] {
 						case "sshd":
 							m.PushSearch(mdb.NAME, ice.Render(m, ice.RENDER_SCRIPT, kit.Format("ssh -p %s %s@%s", value[tcp.PORT], m.Option(ice.MSG_USERNAME), value[tcp.HOST])),
 								mdb.TEXT, kit.Format("http://%s:%s", value[tcp.HOST], value[tcp.PORT]), value)
@@ -89,18 +52,12 @@ func init() {
 					})
 				}
 			}},
-			SERVE: {Name: "serve port=9020", Hand: func(m *ice.Message, arg ...string) {
-				_broad_serve(m, m.Option(tcp.PORT))
-			}},
+			SERVE_START: {Hand: func(m *ice.Message, arg ...string) { m.Go(func() { m.Cmd("", SERVE, m.OptionSimple(tcp.PORT)) }) }},
+			SERVE:       {Name: "serve port=9020", Hand: func(m *ice.Message, arg ...string) { _broad_serve(m) }},
 			OPEN: {Hand: func(m *ice.Message, arg ...string) {
 				ctx.ProcessOpen(m, kit.Format("http://%s:%s", m.Option(tcp.HOST), m.Option(tcp.PORT)))
 			}},
-			tcp.SEND: {Hand: func(m *ice.Message, arg ...string) {
-				_broad_send(m, "", "", "255.255.255.255", "9020", arg...)
-			}},
-			SERVE_START: {Hand: func(m *ice.Message, arg ...string) {
-				m.Go(func() { m.Cmd(BROAD, SERVE, m.OptionSimple(tcp.PORT)) })
-			}},
+			tcp.SEND: {Hand: func(m *ice.Message, arg ...string) { _broad_send(m, "", "", "", "", arg...) }},
 		}, mdb.HashAction(mdb.SHORT, "host,port", mdb.FIELD, "time,hash,type,name,host,port", mdb.ACTION, OPEN), mdb.ClearOnExitHashAction())},
 	})
 }
diff --git a/base/web/serve.go b/base/web/serve.go
index b6817741..3818c499 100644
--- a/base/web/serve.go
+++ b/base/web/serve.go
@@ -171,6 +171,7 @@ func init() {
 			SERVE_START: {Hand: func(m *ice.Message, arg ...string) {
 				m.Go(func() {
 					ssh.PrintQRCode(m, tcp.PublishLocalhost(m, _serve_address(m)))
+					return
 					opened := false
 					for i := 0; i < 3 && !opened; i++ {
 						m.Sleep("1s").Cmd(SPACE, func(value ice.Maps) { kit.If(value[mdb.TYPE] == CHROME, func() { opened = true }) })
diff --git a/base/web/space.go b/base/web/space.go
index 2257a5ef..690a7dc7 100644
--- a/base/web/space.go
+++ b/base/web/space.go
@@ -86,17 +86,17 @@ func _space_handle(m *ice.Message, safe bool, name string, c *websocket.Conn) {
 		} else {
 			m.Warn(!mdb.HashSelectDetail(m, next, func(value ice.Map) {
 				switch c := value[mdb.TARGET].(type) {
-				case (*websocket.Conn):
-					_space_echo(msg, source, target, c) // 转发报文
-				case ice.Handler:
-					c(msg) // 接收响应
+				case (*websocket.Conn): // 转发报文
+					_space_echo(msg, source, target, c)
+				case ice.Handler: // 接收响应
+					c(msg)
 				}
 			}), ice.ErrNotFound, next)
 		}
 	}
 }
 func _space_domain(m *ice.Message) (link string) {
-	m.Options(ice.MSG_OPTION, ice.MSG_USERNAME, ice.MSG_OPTS, ice.MSG_USERNAME)
+	// m.Options(ice.MSG_OPTION, ice.MSG_USERNAME, ice.MSG_OPTS, ice.MSG_USERNAME)
 	return kit.GetValid(
 		func() string { return ice.Info.Domain },
 		func() string {
@@ -197,7 +197,7 @@ func init() {
 			ice.PS: {Hand: func(m *ice.Message, arg ...string) { _space_fork(m) }},
 		}, mdb.HashAction(mdb.SHORT, mdb.NAME, mdb.FIELD, "time,type,name,text", ctx.ACTION, OPEN,
 			REDIAL, kit.Dict("a", 3000, "b", 1000, "c", 1000),
-		), mdb.ClearOnExitHashAction(), aaa.WhiteAction()), Hand: func(m *ice.Message, arg ...string) {
+		), mdb.ClearOnExitHashAction()), Hand: func(m *ice.Message, arg ...string) {
 			if len(arg) < 2 {
 				mdb.HashSelect(m, arg...).Sort("").Table(func(value ice.Maps) {
 					m.PushButton(kit.Select(OPEN, LOGIN, value[mdb.TYPE] == LOGIN), mdb.REMOVE)
diff --git a/base/web/web.go b/base/web/web.go
index 74173052..5e468102 100644
--- a/base/web/web.go
+++ b/base/web/web.go
@@ -54,7 +54,7 @@ func (f *Frame) Start(m *ice.Message, arg ...string) {
 	case func(http.Handler):
 		cb(f)
 	default:
-		m.Cmd(tcp.SERVER, tcp.LISTEN, mdb.TYPE, WEB, m.OptionSimple(mdb.NAME, tcp.HOST, tcp.PORT), func(l net.Listener) {
+		m.Cmd(tcp.SERVER, tcp.LISTEN, mdb.TYPE, HTTP, m.OptionSimple(mdb.NAME, tcp.HOST, tcp.PORT), func(l net.Listener) {
 			defer mdb.HashCreateDeferRemove(m, m.OptionSimple(mdb.NAME, tcp.PROTO), arg, cli.STATUS, tcp.START)()
 			gdb.EventDeferEvent(m, SERVE_START, arg)
 			m.Warn(f.Server.Serve(l))
diff --git a/exec.go b/exec.go
index 48b6bc40..7d20f1d9 100644
--- a/exec.go
+++ b/exec.go
@@ -54,6 +54,7 @@ func (m *Message) Sleep(d Any, arg ...Any) *Message {
 func (m *Message) Sleep300ms(arg ...Any) *Message { return m.Sleep("300ms", arg...) }
 func (m *Message) Sleep30ms(arg ...Any) *Message  { return m.Sleep("30ms", arg...) }
 func (m *Message) Sleep3s(arg ...Any) *Message    { return m.Sleep("3s", arg...) }
+func (m *Message) GoSleep(t string, arg ...Any)   { m.Go(func() { m.Sleep(t).Cmd(arg...) }) }
 func (m *Message) Go(cb func(), arg ...Any) {
 	kit.If(len(arg) == 0, func() { arg = append(arg, logs.FileLine(cb)) })
 	task.Put(arg[0], func(task *task.Task) { m.TryCatch(m, true, func(m *Message) { cb() }) })
diff --git a/logs.go b/logs.go
index 23c098e6..b4dc8194 100644
--- a/logs.go
+++ b/logs.go
@@ -161,7 +161,7 @@ func (m *Message) FormatCost() string { return kit.FmtDuration(time.Since(m.time
 func (m *Message) FormatMeta() string { return kit.Format(m.meta) }
 func (m *Message) FormatsMeta(w io.Writer, arg ...string) (res string) {
 	if w == nil {
-		buf := bytes.NewBuffer(make([]byte, MOD_BUFS))
+		buf := bytes.NewBuffer(make([]byte, 0, MOD_BUFS))
 		defer func() { res = buf.String() }()
 		w = buf
 	}
diff --git a/type.go b/type.go
index 16b1a865..4e80b906 100644
--- a/type.go
+++ b/type.go
@@ -249,7 +249,7 @@ func (m *Message) Spawn(arg ...Any) *Message {
 	for _, val := range arg {
 		switch val := val.(type) {
 		case []byte:
-			json.Unmarshal(val, &msg.meta)
+			m.Warn(json.Unmarshal(val, &msg.meta))
 		case Option:
 			msg.Option(val.Name, val.Value)
 		case Maps: